Article
游泳之方法與利益(上):游泳之利益、游泳之衛生 - The Methods and Benifits of Swimming (Part I): The Advantages and Hygiene of Swimming

Column title: 常識 - Common Knowledge
Subject matters: 新知 - new knowledge,
Language level: Mixed

Keywords: swim, general knowledge,

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Article
購物常識 - Common Knowledge for Shopping

Column title: 常識 - Common Knowledge
Subject matters: 新知 - new knowledge,
Language level: Baihua

Keywords: shopping, general knowledge,

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